This review by a multidisciplinary team maps key components and emerging connections within the intellectual landscape of agroecology. We attempt to extend and preview agroecology as a discipline in which agriculture can be conceptualized within the context of global change and studied as a coupled system involving a wide range of social and natural processes. This intrinsic coupling, combined with powerful emerging drivers of change, presents challenges for the practice of agroecology and agriculture itself, as well as providing the framework for some of the most innovative research areas and the greatest potential for innovation for a sustainable future in agriculture. The objective of this review is to identify forward-looking scientific questions to enhance the relevance of agroecology for the key challenges of mitigating environmental impacts of agriculture while dramatically increasing global food production, improving livelihoods, and thereby reducing chronic hunger and malnutrition over the coming decades.

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A Lecture in Environment and Resources: Agroecology: A Review from a Global-Change Perspective

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In this video lecture, Dr. Thomas P. Tomich discusses the agricultural challenges brought on by a world population that could surpass nine billion individuals by 2050, as well as water scarcity, climate change, pests, nitrogen prices, and geopolitical factors. An important question will be how to feed nine billion people and do it in a sustainable way. He stresses the importance of approaching agroecology from an scientific perspective, integrated across disciplines, from economic and social sciences to entomology and genomics.

  • Article Type: Review Article
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